Powerful Solar Panel Cost Calculator Australia – Instantly See Your Savings
Australia has some of the best solar conditions in the world, making solar power one of the smartest investments for households nationwide. With plenty of sunshine, falling installation prices, and generous government incentives, switching to solar can bring immediate and long-term financial benefits.
Australia is one of the cheapest countries in the world to go solar.
In 2025, the average cost is around AU$1,200 per kW, which means a 6.6 kW system (the most popular size) costs about AU$8,000 after rebates.
Our solar panel cost calculator for Australia gives you a quick and easy way to estimate your system size, upfront cost, and expected yearly savings. Just enter your average electricity usage and location details, and the calculator will provide a personalized result.
Solar power in Australia helps homeowners reduce their electricity bills, lower carbon emissions, and gain energy independence. In many cases, systems pay for themselves within just a few years.
Start calculating your potential savings today and see why so many Australians are making the switch to solar.
Average Cost Table
| System Size | Avg. Cost per kW | Total Cost (after rebate) |
|---|---|---|
| 5 kW | AU$1,200 | ~AU$6,000 |
| 6.6 kW | AU$1,200 | ~AU$8,000 |
| 10 kW | AU$1,200 | ~AU$12,000 |
Solar Cost Calculator
Rebates & Incentives
- STC Rebate: Federal Small-scale Technology Certificates (STCs) reduce upfront cost.
- Feed-in Tariffs: Get paid for exporting energy back to the grid.
- State Programs: Extra rebates in VIC, SA, WA.
Payback Period
Payback times in Australia are among the shortest in the world — 4–6 years on average.
FAQ
Q1: What is the most popular solar system size in Australia?
A1: 6.6 kW is the most common for residential homes.
Q2: How much can I save annually?
A2: Around AU$1,000–1,500 depending on usage and FiT rates.
Q3: Do I get government rebates?
A3: Yes, STC rebates apply nationwide and can cover 20–30% of the system cost.